"As an avowed campaigner for demilitarisation throughout the world and complete elimination of all nuclear weapons, I wholeheartedly welcome the outcome of your discussions to secure lasting peace on the Korean peninsula," the Nobel Peace Laureate wrote.

"Seeing the immense suffering caused by war and violence in so many different parts of the world is deeply distressing. What (you) have shown is that taking a genuinely peaceful approach and entering into dialogue is the only way to achieve friendship, trust and peace," he said.

"I am confident the international community solidly supports the positive steps that (you) have taken," the spiritual leader added.